1 /*
2  * Copyright (C) 2007 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.music;
18 
19 import android.Manifest.permission;
20 import android.content.pm.PackageManager;
21 import com.android.music.MusicUtils.ServiceToken;
22 
23 import android.app.Activity;
24 import android.content.ComponentName;
25 import android.content.ServiceConnection;
26 import android.os.Bundle;
27 import android.os.IBinder;
28 import android.os.RemoteException;
29 
30 public class MusicBrowserActivity extends Activity implements MusicUtils.Defs {
31     private ServiceToken mToken;
32     private static final int MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE = 42;
33 
MusicBrowserActivity()34     public MusicBrowserActivity() {}
35 
36     /**
37      * Called when the activity is first created.
38      */
39     @Override
onCreate(Bundle icicle)40     public void onCreate(Bundle icicle) {
41         super.onCreate(icicle);
42         if (checkSelfPermission(permission.READ_EXTERNAL_STORAGE)
43                 != PackageManager.PERMISSION_GRANTED) {
44             requestPermissions(new String[] {permission.READ_EXTERNAL_STORAGE},
45                     MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE);
46             return;
47         }
48         initApp();
49     }
50 
initApp()51     public void initApp() {
52         int activeTab = MusicUtils.getIntPref(this, "activetab", R.id.artisttab);
53         if (activeTab != R.id.artisttab && activeTab != R.id.albumtab && activeTab != R.id.songtab
54                 && activeTab != R.id.playlisttab) {
55             activeTab = R.id.artisttab;
56         }
57         MusicUtils.activateTab(this, activeTab);
58 
59         String shuf = getIntent().getStringExtra("autoshuffle");
60         if ("true".equals(shuf)) {
61             mToken = MusicUtils.bindToService(this, autoshuffle);
62         }
63     }
64 
65     @Override
onDestroy()66     public void onDestroy() {
67         if (mToken != null) {
68             MusicUtils.unbindFromService(mToken);
69         }
70         super.onDestroy();
71     }
72 
73     private ServiceConnection autoshuffle = new ServiceConnection() {
74         public void onServiceConnected(ComponentName classname, IBinder obj) {
75             // we need to be able to bind again, so unbind
76             try {
77                 unbindService(this);
78             } catch (IllegalArgumentException e) {
79             }
80             IMediaPlaybackService serv = IMediaPlaybackService.Stub.asInterface(obj);
81             if (serv != null) {
82                 try {
83                     serv.setShuffleMode(MediaPlaybackService.SHUFFLE_AUTO);
84                 } catch (RemoteException ex) {
85                 }
86             }
87         }
88 
89         public void onServiceDisconnected(ComponentName classname) {}
90     };
91 
92     @Override
onRequestPermissionsResult( int requestCode, String permissions[], int[] grantResults)93     public void onRequestPermissionsResult(
94             int requestCode, String permissions[], int[] grantResults) {
95         switch (requestCode) {
96             case MY_PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE: {
97                 if (grantResults.length == 0
98                         || grantResults[0] != PackageManager.PERMISSION_GRANTED) {
99                     finish();
100                     return;
101                 }
102                 initApp();
103             }
104         }
105     }
106 }
107